allium

al·li·um

noun \ˈal-ē-əm\

Definition of ALLIUM

1

capitalized : a genus of bulbous herbs (as an onion, garlic, or leek) of the lily family distinguished by a characteristic odor, sheathing, mostly basal leaves, and clusters of usually white, blue, purple, pink, or red flowers

2

a : a plant of the genus Allium b : the bulb of garlic formerly used in medicine especially as an expectorant and rubefacient